Greatest Engineering Achievements of the 20th Century

Have you ever thought about the remarkable technological achievements of the 20th. century?
I bounced into a website developed by the National Academy of Engineering of United States of America who has identified those achievements and acknowledged them.
A very informational and resourceful site for both student and adults.

www.greatachievements.org

VOIP: A Paradigm Shift

VOIP represents the most significant paradigm shift in the entire history of modern communications since the invention of the telephone. There is no doubt that this is nothing short of a revolution in telecom. It's not just a viable technology; it's the direction all of telecom is going towards.

Learn more about it here :-
www.voipreview.org
www.voip-info.org